dbgio.c 1.7 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950
  1. /*
  2. * linux/arch/mips/tx4938/common/dbgio.c
  3. *
  4. * kgdb interface for gdb
  5. *
  6. * Author: MontaVista Software, Inc.
  7. * source@mvista.com
  8. *
  9. * Copyright 2005 MontaVista Software Inc.
  10. *
  11. * This program is free software; you can redistribute it and/or modify it
  12. * under the terms of the GNU General Public License as published by the
  13. * Free Software Foundation; either version 2 of the License, or (at your
  14. * option) any later version.
  15. *
  16. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  17. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  18. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  21. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  22. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  24. * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  25. * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. *
  27. * You should have received a copy of the GNU General Public License along
  28. * with this program; if not, write to the Free Software Foundation, Inc.,
  29. * 675 Mass Ave, Cambridge, MA 02139, USA.
  30. *
  31. * Support for TX4938 in 2.6 - Hiroshi DOYU <Hiroshi_DOYU@montavista.co.jp>
  32. */
  33. #include <asm/mipsregs.h>
  34. #include <asm/system.h>
  35. #include <asm/tx4938/tx4938_mips.h>
  36. extern u8 txx9_sio_kdbg_rd(void);
  37. extern int txx9_sio_kdbg_wr( u8 ch );
  38. u8 getDebugChar(void)
  39. {
  40. return (txx9_sio_kdbg_rd());
  41. }
  42. int putDebugChar(u8 byte)
  43. {
  44. return (txx9_sio_kdbg_wr(byte));
  45. }